Home / 4,879.44-6,734.88-3,112.56

Finding the Fourth Proportional to 4,879.44, 6,734.88 and 3,112.56

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Solution

The fourth proportional to 4,879.44, 6,734.88 and 3,112.56 is: 4,296.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.44 : 6,734.88 = 3,112.56 : x
  2. Step 2: Convert to fraction form
    4,879.44/6,734.88 = 3,112.56/x
  3. Step 3: Cross multiply
    4,879.44x = 6,734.88 × 3,112.56
  4. Step 4: Simplify right side
    4,879.44x = 20,962,718.09
  5. Step 5: Solve for x
    x = 20,962,718.09/4,879.44
  6. Step 6: Final answer
    x = 4,296.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.